HEBR 2003 Chapter : Chapter 4 Questions Painfullll
Document Summary
January 30, 2012: continental lithogenous is composited of rock fragments, quartz sand, quartz silt, and clay. The sources of lithogenous rivers, coastal erosion, landslides, glaciers, and turbidity currents and they are located on the continental shelf in high latitudes. Oceanic lithogenous is composited of quartz silt, clay, and volcanic ash. The sources are windblown dust, rivers, and volcanic eruption. Biogenous is composited of calcium carbonate and its sources warm surface waters. The main locations found are the continental shelf and low latitude regions. The sources are cold surface waters and locations are high latitude regions. Hydrogenous is composited manganese nodules, phosphorite, oolites, metal sulfides, and evaporites. The sources are precipitation of dissolved materials directly from sea water due to chemical reactions and located on the continental shelf, shallow shelves, and low latitude regions. Cosmogenous is composited of iron-nickel spherules tektites and iron-nickel meteorites. It also a slow climate change that led to the extinction.
